This research investigates the advanced scientific concepts of space-time curvature, wormholes, and time dilation as fundamental natural principles described in the Quran centuries before their modern discovery. Surah Al-Kahf is particularly significant in this context, as it directly addresses wormholes, space-time curvature, and gravitational effects. To fully comprehend this, firstly we must understand what “Al-Kahf” truly represents in the Quran. This study explores the scientific properties of Al-Kahf and its relation to relativity, gravitational lensing, and space-time warping, etc.While modern science views Spacetime Curvature, wormholes and time dilation etc., as extraordinary phenomena, The Quran presents them as fundamental aspects of the universe, and are also utilized in divine operations—just as it describes the water cycle, planetary motion, and celestial mechanics etc. These principles are not isolated mentions but are woven throughout the Quran, highlighting the Quran’s deep engagement with the fabric of space-time.Among the key Quranic verses that encapsulate this concept, Surah Al-Kahf 18:17 [7] stands as the most crucial, as it directly defines and completes the key properties of Al-Kahf by describing the Spacetime Curvature, bending of light and gravitational lensing effects etc., in a most fascinating and unbelievable way, without any illogical interpretation but direct meaning of verses, from existing translations like Sahih International etc. and we have just converted it into a visual diagram/figure. While an understanding of Al-Kahf as a space-time phenomenon is possible from other Quranic descriptions, verse 18:17 serves as the “ULTIMATE KEY” to establish this concept with certainty. If one fully comprehends Quran 18:17, with Quran 18:25,29 etc. then the true nature of Al-Kahf becomes undeniably clear—revealing its nature of space-time curvature, time dilation, and gravitational lensing etc. This verse is 18:17 not only foundational but also the pinnacle of understanding, ensuring that any doubts regarding Al-Kahf’s relation to relativity and space-time distortions are completely resolved.Furthermore, once one will understand what “Al Kahf” truly represents, it will unlock a deeper understanding of entire (CHAPTER) “Surah Al-Kahf” which can ultimately help us to understand & reveal the secrets of the universe deeply including wormholes, space-time curvature, and gravitational effects, as Al-Kahf is treasure of these things. It is a complete dedicated chapter about wormholes, space-time curvature, and gravitational effects etc. Without grasping the concept of Al-Kahf from the initial part of the chapter, the rest of Surah Al-Kahf cannot be fully comprehended. This foundational understanding is not just limited to this chapter—it extends to the entire Quran, where relativity, time dilation, gravitational lensing, and space-time curvature/Anomalies are referenced in various verses. When we will establish Al-Kahf as a space-time concept, it will illuminate the meaning of other parts of Surah Al-Kahf and numerous other Quranic verses that describes these cosmic principles throughout the Quranic text.By integrating Quranic insights with General Relativity and modern astrophysics, this paper challenges conventional narratives of scientific history, advocating for a reassessment of the Quran’s contributions to humanity’s understanding of space-time and relativity. This interdisciplinary approach highlights that the Quran contains detailed direct descriptions of these cosmic phenomenon (wormholes, space-time curvature, space-time distortions and gravitational effects etc.) that align with cutting-edge physics, reinforcing the need for a historical reevaluation of scientific knowledge.